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Finding the Fourth Proportional to 532,707.44, 735,378.28 and 339,380.27

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Solution

The fourth proportional to 532,707.44, 735,378.28 and 339,380.27 is: 468,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,707.44 : 735,378.28 = 339,380.27 : x
  2. Step 2: Convert to fraction form
    532,707.44/735,378.28 = 339,380.27/x
  3. Step 3: Cross multiply
    532,707.44x = 735,378.28 × 339,380.27
  4. Step 4: Simplify right side
    532,707.44x = 249,572,879,519.11
  5. Step 5: Solve for x
    x = 249,572,879,519.11/532,707.44
  6. Step 6: Final answer
    x = 468,498.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.